Complete HW-03: implement Movie Explorer with API integration and Rational class for rational numbers

src/main/java/Rational/Rational.java

@@ -54,42 +54,45 @@ public class Rational {
     // TODO: Instance method - this - other
     // Formula: a/b - c/d = (a*d - c*b) / (b*d)
     public Rational subtract(Rational other) {
-        // YOUR CODE HERE
-        return null; // Remove this line when implemented
+        int newNumerator = this.numerator * other.denominator - other.numerator * this.denominator;
+        int newDenominator = this.denominator * other.denominator;
+        return new Rational(newNumerator, newDenominator);
     }
 
     // TODO: Static method - r1 - r2
     public static Rational subtract(Rational r1, Rational r2) {
-        // YOUR CODE HERE
-        return null; // Remove this line when implemented
+        return r1.subtract(r2);
     }
 
     // TODO: Instance method - this * other
     // Formula: (a/b) * (c/d) = (a*c) / (b*d)
     public Rational multiply(Rational other) {
-        // YOUR CODE HERE
-        return null; // Remove this line when implemented
+        int newNumerator = this.numerator * other.numerator;
+        int newDenominator = this.denominator * other.denominator;
+        return new Rational(newNumerator, newDenominator);
     }
 
     // TODO: Static method - r1 * r2
     public static Rational multiply(Rational r1, Rational r2) {
-        // YOUR CODE HERE
-        return null; // Remove this line when implemented
+        return r1.multiply(r2);
     }
 
     // TODO: Instance method - this / other
     // Formula: (a/b) ÷ (c/d) = (a*d) / (b*c)
     public Rational divide(Rational other) {
-        // YOUR CODE HERE
-        // HINT: Division is multiplication by reciprocal
-        // Don't forget to check if other.numerator is zero!
-        return null; // Remove this line when implemented
+        if (other.numerator == 0) {
+            throw new ArithmeticException("Cannot divide by zero");
+        }
+        else {
+            int newNumerator = this.numerator * other.denominator;
+            int newDenominator = this.denominator * other.numerator;
+            return new Rational(newNumerator, newDenominator);
+        }
     }
 
     // TODO: Static method - r1 / r2
     public static Rational divide(Rational r1, Rational r2) {
-        // YOUR CODE HERE
-        return null; // Remove this line when implemented
+        return r1.divide(r2);
     }
 
     //  PROVIDED - String representation

src/main/java/movie/apis/Main.java

@@ -21,11 +21,13 @@ public class Main {
                     break;
 
                 case 2:
-                    // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
+                    System.out.println("\n--- Get Movies by Genre ---");
+                    Long genreId = getLongInput("Enter genre ID: ");
+                    Long page = getLongInput("Enter page number: ");
 
+                    movieService.displayMoviesByGenre(genreId, page);
                     break;
 
-
                 case 3:
                     // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
 

src/main/java/movie/apis/Movie.java

@@ -16,9 +16,70 @@ public class Movie {
     private String imdb_rating;
     private String country;
 
-    // TODO: Create a constructor with all fields
 
-    // TODO: Create a simple constructor with id and title only
+    public Movie (Long id , String title ,List<String> genres , List<String> images , String year , String imdb_rating ,String country) {
+        this.id = id;
+        this.title = title;
+        this.genres = genres;
+        this.images = images;
+        this.year = year;
+        this.imdb_rating = imdb_rating;
+        this.country = country;
 
-    // TODO: Create getters and setters for all fields
+    }
+
+    public Movie(Long id, String title) {
+        this.id = id;
+        this.title = title;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public List<String> getGenres () {
+        return genres ;
+    }
+
+    public void setGenres (List<String> genres ) { this.genres  = genres ;}
+
+    public List<String>  getImages() {
+        return images;
+    }
+
+    public void setImages(List<String>  images) {
+        this.images = images;
+    }
+
+    public String getYear() {return year;}
+
+    public void setYear(String year) {this.year = year;}
+
+    public String getImdb_rating() {
+        return imdb_rating;
+    }
+
+    public void setImdb_rating(String imdb_rating) {
+        this.imdb_rating = imdb_rating;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public void setCountry(String country) {
+        this.country = country;
+    }
 }

src/main/java/movie/apis/MovieService.java

@@ -103,10 +103,31 @@ public class MovieService {
      * PUT ALL PARSING CODE INSIDE try-catch
      */
     public void displayMoviesByGenre(Long genreId, Long page) {
-        // TODO: Write your code here
-        // All parsing code must be inside try-catch
         try {
-            // Your code here
+            String jsonResponse = getMoviesByGenreList(genreId, page);
+            if (jsonResponse == null) {
+                System.out.println("No data received from server.");
+                return;
+            }
+            JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject();
+
+            int total = rootObject.get("total").getAsInt();
+            int totalPages = rootObject.get("total_pages").getAsInt();
+            System.out.println("🎬 Total Movies: " + total);
+            System.out.println("📄 Total Pages: " + totalPages);
+
+            JsonArray moviesArray = rootObject.getAsJsonArray("movies");
+
+            for (int i = 0; i < moviesArray.size(); i++) {
+                JsonObject movie = moviesArray.get(i).getAsJsonObject();
+
+                long id = movie.get("id").getAsLong();
+                String title = movie.get("title").getAsString();
+                String year = movie.get("year").getAsString();
+
+                System.out.println("ID: " + id + " | " + title + " (" + year + ")");
+            }
+
 
         } catch (Exception e) {
             System.err.println("ERROR: " + e.getMessage());